Strap and anchor plate puller



June 3, 1958 E. LEGAULT El AL 1 2,837,311

STRAP AND ANCHOR PLATE FULLER Filed Oct. 18, 1954 WWW-rims EmilienLEGAULT Michel LAVOIE ATTORNEYS United States Patent 2,837,311 STRAP ANDANCHOR PLATE FULLER Emilien Legault, Ville St. Pierre, Quebec, andMichel Lavoie, Montreal, Quebec, Canada Application October 18, 1954,Serial No. 462,888 1 Claim. (Cl. 254-79 The present invention relates toa tool for removing the box straps and associated anchor plates whichserve to secure boxes and similar freight torailway freight cars, ships,trucks and the like.

The conventional methods of removing anchor plates and straps consist'inusing an ordinary hammer to remove, one by one, the nails securing theanchor plates, or to use a crowbar to remove the anchor plates bodily.These methods are time consuming and often cause damage to the wall orfloor surfaces to which the anchor plates are secured.

Accordingly, the general object of the present invention is theprovision of a strap and anchor plate puller which will obviate theabove mentioned disadvantages.

An important object of the present invention is the provision of a strapand anchor plate puller of the character. described which will allowquick removal of said plates and straps without damaging the surface towhich the anchor plates are secured.

Still another important object of the present invention is the provisionof a tool of the character described provided with means such as in anordinary hammer for removing nails.

Another important object of the present invention is the provision of atool of the character described which pulls on the strap to which theanchor plate is secured in order to remove the latter.

Yet another important object of the present invention is the provisionof a tool of the character described having means to quickly release thestrap once the anchor plate is free of the wall surface to which it wassecured.

The foregoing and other important objects of the present invention willbecome more apparent during the following disclosure and by referring tothe drawings in which:

Figure 1 is a partial perspective view of the tool ac cording to thepresent invention;

Figure 2 is a partial side elevation of the same showing the strapgripping members in section and showing how the tool is used to pull thestrap and anchor plate;

Figure 3 is a perspective view of a strap and associated anchor platesarranged for securing a box or the like in position, said box beingshown in dot and dash lines;

Figure 4 is a partial perspective view of the tool showing how it isused to remove nails; and

Figure 5 is an enlarged longitudinal section of the strap gripping meansof the tool.

Referring now more particularly to the drawings in which like referencecharacters indicate like elements throughout, the tool, according to thepresent invention, is generally indicated at A, and is primarilydesigned to remove steel straps B and associated anchor plates D whichare used to anchor boxes C or the like by means of nails F to the wallor floor E during transport in freight cars or the like. The tool A isdesigned to remove said anchor plates D by pulling on the strap B.

The tool A comprises a handle 1 terminated at one Patented June 3, 1 958end by a head 2, in thegene'ral shape of a hammer, and which has alongitudinally curved fulcrum face 3 and which extends to the back toform a pair of curved ears 4 which are separated by a tapered space 5for the insertion and removal of a nail F by forward rocking of thetool, as shown in Figure 4. The fulcrum face 3 of the head 2 forms theouter face of the ears 4 whereby the tool A may be rocked rearwardly onsaid fulcrum face 3, as shown in Figure 2, in a manner to cause theforward portion of the head 2 to describe a pivotal movement through arelatively wide angle.

The fulcrum face 3 merges with a first strap gripping face 6 extendingat the front of the head 2 and substantially parallel with thelongitudinal axis of the handle 1.

The yoke member 7 has one long leg 8 secured to the side face of thehead 2 as by welding and has its short leg 9 extending to a point shortof the strap gripping face 6 of the head 2 so as to provide a slot 10for the insertion of the strap B in a position in which it is appliedagainst said gripping face.

The cross leg 11 of the yoke member 7 is substantially parallel to andis outwardly spaced from the gripping face 6 of the head 2. A jaw member12 is pivotally mounted within the yoke 7 on an axle 13 which is securedto the legs 8 and 9 and is parallel to the cross leg 11. One face of thejaw member 12 is provided with serrations 14 forming a strap grippingface which is complemental to the gripping face 6 of the head 2. Theserrations 14 are preferably provided with diamond points to preventwear.

A coil spring 15 urges pivotal movement of the jaw member 12 to engagethe strap gripping face 6 of the head 2. One end of the coil spring 15enters a bore 16 made in the jaw member 12 on the side of the axle 13opposite from the fulcrum face 3 of the head 2. The other end of thecoil spring 15 is inserted within-the opening 17 of the cross leg 11,said opening 17 being closed by a screw plug 18.

The jaw member 12 is provided with a short handle 19 projectingtherefrom in the direction of the handle 1 of the tool A, and whichserves to pivot the jaw member 12 out of engagement with the strapgripping face 6 and against the resistance of the spring 15.

To remove a strap B and associated anchor plate D, the strap B beingwound around the anchor plate D in a manner as shown in Figure 2, thestrap B is first cut by scissors S and the portion of said strap Badjacent the anchor plate D is brought into a position substantially atright angles to the anchor plate D. Then said portion of the strap B isinserted through the slot 10 in the space between the gripping surfaces6 and 14. This insertion is facilitated by pivoting the jaw member 12 bymeans of the short handle 19. The tool A engages the strap B in adirection such that its fulcrum face 3 will overlie the anchor plate Das shown in Figure 2. The handle 1 is manipulated to cause rearwardrocking of the tool A on its fulcrum face 3 whereby the anchor plate Dis pulled from the surface E. During this movement, the jaw member 12 isin firm engagement with the strap B and prevents slipping of the samerelatively to the head 2. The anchor plate D may be pulled out of thesurface E by a single rocking movement of the tool A. To release thestrap B from the tool after the anchor plate has been removed, the smallhandle 19 is actuated to disengage the jaw member 12 from said strap B.

- While a preferred embodiment according to the present invention hasbeen illustrated and described, it is understood that variousmodifications may be resorted to without departing from the spirit andscope of the appended claim.

We claim: A box strap and anchor plate puller comprising a sew/p111 dhandle, a head formed at one end of said handle and providing alongitudinally curved fulcrum surface extending transversely of saidhandle, said head further forming an integral strap gripping surface atone end thereof extending in substantially parallel relationship to thehandle, and across the entire width of said head, a yoke membersecuredto said head and projecting outwardly from said first grippingsurface, a jaw member pivotally mounted on said yoke member andproviding a second strap gripping surface complemental to the grippingsurface of said head, said jaw member and said first gripping surface onsaid head being adapted to grip a strap between them at a portion ofsaid strap adjacent said anchor plate whereby rocking movement of saidhead about its fulcrum surface in cooperation with the wall surface towhich said anchor plate is secured will pull said anchor plate from saidwall surface, said yoke member having the shape of a U providing a longleg and a o t leg v a d 01 s e ein secured to a s de face of said head,and said short leg terminating short of said first strap grippingsurface to provide a space therebetween for the insertion of said strap,spring means to pivot said jaw member into engagement with the strapgripping surface of said head, a short handle upstanding from said jawmember and ladapted'to pivot said jaw member out .of engagement withsaid gripping surface of said head.

References Cited in the file of this patent UNITED STATES PATENTS

